问使用Golang接口的`docker run` (Docker docs)

EN

 package main

 import (
 "io"
 "os"

"github.com/docker/docker/client"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"golang.org/x/net/context"
 )

 func main() {
ctx := context.Background()
cli, err := client.NewEnvClient()
if err != nil {
    panic(err)
}

_, err = cli.ImagePull(ctx, "alpine", types.ImagePullOptions{})
if err != nil {
    panic(err)
}

resp, err := cli.ContainerCreate(ctx, &container.Config{
    Image: "alpine",
    Cmd:   []string{"echo", "hello world"},
}, nil, nil, "")
if err != nil {
    panic(err)
}

if err := cli.ContainerStart(ctx, resp.ID, types.ContainerStartOptions{});     err != nil {
    panic(err)
}

if _, err = cli.ContainerWait(ctx, resp.ID); err != nil {
    panic(err)
}

out, err := cli.ContainerLogs(ctx, resp.ID, types.ContainerLogsOptions{ShowStdout: true})
if err != nil {
    panic(err)
}

io.Copy(os.Stdout, out)
}

    goroutine 1 [running]:
      panic(0x27ffa0, 0xc4202afa50)
    /usr/local/go/src/runtime/panic.go:500 +0x1a1
    main.main()
    /Users/rvenkatesh/go_coding/raghu_test_code/go_docker.go:30 +0x592
    exit status 2

    XXXX$ docker run alpine echo hello world
    Unable to find image 'alpine:latest' locally
    latest: Pulling from library/alpine 
    627beaf3eaaf: Pull complete

        Digest:sha256:58e1a1bb75db1b5a24a462dd5e2915277ea06438c3f105138f97eb53149673c4
    Status: Downloaded newer image for alpine:latest
    hello world